Reviews for iOS - Keep track of your App Store reviews
ReviewFlowz - Never miss a review again All your reviews, straight to your favourite slack channel.
Usage Analytics in appFigures - Track usage for your app along side downloads, ranks & more
App in Review - Find out where your app is in the review queue
SurveyMonkey Intelligence - Usage and download metrics for all mobile apps
Switchr - Easily switch between App Store countries.